User's Manual Part 1
Firmware Version 1.0.0.1  UCM6200 Series IP PBX User Manual  Page 146 of 320
TRUNKS
ANALOGTRUNKS
Go to Web GUI->PBX->Basic/Call Routes->Analog Trunks to add and edit analog trunks. 
  Click on "Create New Analog Trunk" to add a new analog trunk. 
 Click on 
  to edit the analog trunk. 
 Click on 
  to delete the analog trunk. 
ANALOGTRUNKCONFIGURATION
The analog trunk options are listed in the table below. 
Table 47: Analog Trunk Configuration Parameters 
Channels 
Select the channel for the analog trunk. 
 UCM6202: 2 channels 
 UCM6204: 4 channels 
 UCM6208: 8 channels 
Trunk Name 
Specify a unique label to identify the trunk when listed in outbound rules, 
incoming rules and etc. 
SLA Mode 
Enable this option to satisfy two primary use cases, which include 
emulating a simple key system and creating shared extensions on a PBX. 
Enable SLA Mode will disable polarity reversal. 
Barge Allowed 
The barge option specifies whether or not other stations are allowed to 
join a call in progress on this trunk. If enabled, the other stations can 
press the line button to join the call. The default setting is Yes. 
Hold Access 
The hold option specifies hold permissions for this trunk. If set to “Open”, 
any station can place this trunk on hold and any other station is allowed to 
retrieve the call. If set to “Private”, only the station that places the call on 
hold can retrieve the call. The default setting is Yes.   
Advanced Options 
Enable Polarity Reversal 
If enabled, a polarity reversal will be marked as received when an 
outgoing call is answered by the remote party. For some countries, a 
polarity reversal is used for signaling the disconnection of a phone line 
and the call will be considered as “hangup” on a polarity reversal. The 










